Yamaha WaveRunner VX 700, Service Manual

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1-5
GEN
INFO
General information
How to use this manual
Manual format
The format of this manual has been designed to make service procedures clear and easy to under-
stand. Use the information below as a guide for effective and quality service.
• Parts are shown and detailed in an exploded diagram and are listed in the component list (see 1
in the following figure for an example page).
• The component list consists of part names and quantities, as well as bolt and screw dimensions
(see 2 in the following figure). To assemble or install the components, reverse the steps indicated
in the component list.
• Symbols are used to indicate important aspects of a procedure, such as the grade of lubricant and
the lubrication point (see
3
in the following figure).
• Tightening torque specifications are provided in the exploded diagrams (see
4
in the following fig-
ure), and in the related detailed instructions. Some torque specifications are listed in stages as
torque figures or angles in degrees.
• Separate procedures and illustrations are used to explain the details of removal, checking, and
installation where necessary (see
5
in the following figure for an example page).
TIP:
For troubleshooting procedures, see Chapter 9, “Troubleshooting.”
6-6
Impeller duct and drive shaft
*: EPNOC grease AP #0
No. Part name Q’ty Remarks
1 Bolt 3 M6 20 mm
2 Cap 1
3 O-ring 1
Not reusable
4 Cap 1
5 Impeller 1
6 Drive shaft 1
7 Oil seal 1
Not reusable
8 Oil seal 1
Not reusable
9 Rear bearing 1
Not reusable
10 Spacer 1
11 Front bearing 1
Not reusable
12 Impeller duct 1
Jet thrust nozzle, impeller duct, and impeller housing / Impeller duct and drive shaft
6-7
JET
PUMP
Jet pump unit
Drive shaft removal
1. Remove the impeller.
TIP:
Hold the impeller duct assy. in a vise
between two aluminum plates
a
.
2. Remove the drive shaft 1 .
TIP:
Remove the drive shaft using a press.
3. Remove the rear bearing.
4. Remove the oil seals.
TIP:
Remove the oil seals using a flat head screw-
driver.
5. Remove the front bearing.
TIP:
Remove the front bearing using a press.
Impeller check
1. Check the impeller. Replace if damaged.
Crankshaft holder 20: 90890-06552
a
a
1
Stopper guide plate: 90890-06501
Bearing puller assembly: 90890-06535
Stopper guide stand: 90890-06538
Driver rod L3: 90890-06652
Needle bearing attachment: 90890-06614
1
5
3
2
4